12_3/4x20_3/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Aeromixer Not harmful to pollinators and

Not harmful to pollinators and beneficials

Patented clear woven reinforced design for extreme weather

automatic shut-off cartridge

• 100% RHP certified coco coir

Ideal for display jars

12_3/4x20_3/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Aeromixer Not harmful to pollinators andNordic Pure Custom MERV 7 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition